2026 Roger R.B. Leakey: Plant Science and Agronomy Researcher – H-Index, Publications & Awards

D-Index & Metrics

Discipline name	D-Index	World Ranking	Current World Ranking	National Ranking	Current National Ranking	Publications	Citations
Plant Science and Agronomy	65	945	871	84	75	250	13117

Discipline name

D-Index

World Ranking

Current World Ranking

National Ranking

Current National Ranking

Publications

Citations

Plant Science and Agronomy

945

871

250

13117

Plant Science and Agronomy

D-Index

Citations

13117

World Ranking

945

National Ranking

Overview

Roger R.B. Leakey is an independent scientist and consultant based in the United Kingdom. Their work primarily spans the field of Agricultural and Biological Sciences, with particular focus on forestry, plant science, horticulture, and ecological systems. Leakey's research output includes diverse topics that touch on agriculture, rural development, and sustainability.

The scientist's main research topics include:

African Botany and Ecology Studies
Agriculture and Rural Development Research
Cocoa and Sweet Potato Agronomy
Agriculture, Land Use, Rural Development
Urban Agriculture and Sustainability
Agricultural Innovations and Practices
Seed and Plant Biochemistry

Leakey has published extensively with notable contributions appearing in the following venues:

Sustainability
Nature Food
Trends in Horticulture
Forests Trees and Livelihoods

Selected recent papers include:

The Future of Food: Domestication and Commercialization of Indigenous Food Crops in Africa over the Third Decade (2012-2021), 2022, Sustainability
A re-boot of tropical agriculture benefits food production, rural economies, health, social justice and the environment, 2020, Nature Food
African Lives Matter: Wild Food Plants Matter for Livelihoods, Justice, and the Environment-A Policy Brief for Agricultural Reform and New Crops, 2021, Sustainability
'Land Maxing': Regenerative, Remunerative, Productive and Transformative Agriculture to Harness the Six Capitals of Sustainable Development, 2025, Sustainability
Revisiting phase change: Ontogenetic and physiological ageing in vegetative propagation, 2024, Trends in Horticulture

Leakey's frequent collaborators include:

Tafadzwanashe Mabhaudhi
Marie-Louise Avana
Nyong Princely Awazi
Achille Ephrem Assogbadjo
Prasad S. Hendre

In addition to journal articles, Leakey has contributed to book publications. Notable works include:

Trees, tree genetic diversity and the livelihoods of rural communities in the tropics, published by FAO eBooks in 2020
Living With the Trees of Life, published by CABI eBooks in 2024

Best Publications

Tropical Trees as Living Systems

R. R. B. Leakey;P. B. Tomlinson;M. H. Zimmermann

753
Citations
Agriculture at a Crossroads

E. Toby Kiers;Roger R. B. Leakey;Anne-Marie Izac;Jack A. Heinemann

478
Citations
Deliberate Introductions of Species: Research Needs Benefits can be reaped, but risks are high

John J. Ewel;Dennis J. O'Dowd;Joy Bergelson;Curtis C. Daehler

426
Citations
Potential for novel food products from agroforestry trees: a review

R.R.B Leakey

410
Citations
Agroforestry Tree Products (AFTPs): Targeting Poverty Reduction and Enhanced Livelihoods

Roger R.B. Leakey;Zacharie Tchoundjeu;Kathrin Schreckenberg;Sheona E. Shackleton

354
Citations
Tree domestication in tropical agroforestry

A. J. Simons;R. R. B. Leakey

325
Citations
The domestication and commercialization of indigenous trees in agroforestry for the alleviation of poverty

R. R. B. Leakey;A. J. Simons

300
Citations
Trees, soils, and food security

Pedro A. Sanchez;Roland J. Buresh;Roger R. B. Leakey

277
Citations
Agroforestry and the Mitigation of Land Degradation in the Humid and Sub-humid Tropics of Africa

P. J. M. Cooper;R. R. B. Leakey;M. R. Rao;L. Reynolds

252
Citations
Definition of agroforestry revisited

Roger R.B. Leakey

247
Citations
The mahogany shoot borer: prospects for control

A.C. Newton;P. Baker;S. Ramnarine;J.F. Mesén

234
Citations
Low-technology techniques for the vegetative propagation of tropical trees.

Roger R.B. Leakey

229
Citations
Vegetative propagation of Prunus africana: effects of rooting medium, auxin concentrations and leaf area

Z. Tchoundjeu;M. L. Avana;R. R. B. Leakey;A. J. Simons

215
Citations
Improving Livelihoods and Nutrition in Sub-Saharan Africa through the Promotion of Indigenous and Exotic Fruit Production in Smallholders' Agroforestry Systems: A Review

Ramni H. Jamnadass;Ian K. Dawson;Steven Franzel;R.R.B. Leakey;R.R.B. Leakey

202
Citations
Land use transformation in Africa: three determinants for balancing food security with natural resource utilization

Pedro A Sanchez;Roger R.B Leakey

198
Citations
Why tree-crop interactions in agroforestry appear at odds with tree-grass interactions in tropical savannahs

C. K. Ong;R. R. B. Leakey

191
Citations
PHYSIOLOGY OF VEGETATIVE REPRODUCTION

Roger Rb Leakey

183
Citations
The participatory domestication of West African indigenous fruits

R.R.B. Leakey;K. Schreckenberg;Z. Tchoundjeu

176
Citations
Vegetative propagation of Milicia excelsa by leafy stem cuttings: effects of auxin concentration, leaf area and rooting medium

D.A. Ofori;A.C. Newton;R.R.B. Leakey;J. Grace

169
Citations
Physiological studies for tropical tree improvement and conservation. Factors affecting root initiation in cuttings of Triplochiton scleroxylon K. Schum.

R.R.B. Leakey;V.R. Chapman;K.A. Longman

162
Citations
DIVERSIFICATION OF TREE CROPS: DOMESTICATION OF COMPANION CROPS FOR POVERTY REDUCTION AND ENVIRONMENTAL SERVICES

R. R. B. Leakey;Z. Tchoundjeu

154
Citations
International Assessment of Agricultural Knowledge, Science and Technology for Development (IAASTD): Agriculture at a Crossroads, global summary for decision makers

N. Beintema;Deborah A. Bossio;F. Dreyfus;M. Fernandez

149
Citations
Indigenous fruit trees in the tropics : domestication, utilization and commercialization

F. K. Akinnifesi;R. R. B. Leakey;O. C. Ajaui;G. Sileshi

127
Citations
Tropical trees: the potential for domestication and the rebuilding of forest resources

R. R. B. Leakey;A. C. Newton

109
Citations